Fabula
S15E26 · The Invasion of Time Part 6

Doctor cripples Sontaran with newly built Demat gun

The Doctor activates the Demat gun, a weapon of ultimate destruction, using the Great Key as power source. Before the horrified protests of Borusa and Rodan can halt him, he fires it unexpectedly, vaporizing a Sontaran trooper in mid-sneak. The Doctor immediately orders Kelner, captured by Leela, to reveal Stor's location, forcing a direct confrontation. The tension escalates as the Doctor pursues Stor through TARDIS corridors, Demat gun in hand, prepared to engage in a final showdown that will determine Gallifrey's fate through the theft of Rassilon's Great Key. key_dialogue: [ DOCTOR: You know how helpless we are against the Sontarans. BORUSA: I forbid you to use it. You should never have constructed it. SONTARAN: No! LEElA: (to Kelner) Don't kill him! Kelner, where's Stor? Kill him. KELNER: No! No! He's in the Panopticon. DOCTOR: The? Borusa, the Matrix. ]

Plot Beats

The narrative micro-steps within this event

1

The Doctor uses the Demat gun to eliminate the Sontaran, and Leela prepares to kill Kelner.

tension to resolution

Who Was There

Characters present in this moment

6

Urgency masking reluctant resolve, energized by tactical triumph yet darkened by the cost of what he wields

The Doctor swiftly loads the Great Key into the Demat gun atop the workshop table, ignites it, and vaporizes a Sontaran soldier in a single act of calculated brutality. He then whirls toward Kelner, Demat gun still thrumming, demanding the castellan's compliance under threat of violence.

Goals in this moment
  • Deploy the weapon to neutralize immediate Sontaran threats
  • Force disclosure of Stor’s location to reclaim the Great Key
Active beliefs
  • Only overwhelming force can secure Gallifrey’s survival against the Sontarans
  • Sacrificing moral comfort is justified to prevent worse catastrophe
Character traits
Ruthlessly decisive Demonstrates weapon mastery Exudes escalating aggression
Follow The Fourth …'s journey
Leela
primary

Relentlessly pragmatic, driven by survival reflex and devotion to the Doctor’s will

Leela seizes Kelner, pressing her knife to his throat the instant the Sontaran falls, then shouts orders for him to speak under penalty of death. Her blade remains steady despite the gruesome aftermath of the Demat gun’s blast, demonstrating her personal code of direct action.

Goals in this moment
  • Protect the Doctor and secure the upper hand against the Sontarans
  • Extract Stor's location by any means necessary
Active beliefs
  • Instinct and audacity determine survival
  • Trust in the Doctor’s unconventional solutions
Character traits
Fearless aggression Instrumental intimidation Loyal adjacency to the Doctor’s tactics
Follow Leela's journey
Supporting 4

Appalled paralysis masking institutional despair at the erosion of Gallifreyan sovereignty

Borusa erupts in horrified objection the moment the Demat gun powers up, commanding the Doctor to destroy both weapon and knowledge of its existence. His protests come too late, crushed by the flash and the vanishings it enacts, leaving him trembling atop the shattered cauchemar of Gallifrey’s dignity.

Goals in this moment
  • Prevent use of the Demat gun to preserve Gallifrey’s moral and technical purity
  • Maintain formal veto power over the Doctor’s actions
Active beliefs
  • Technological taboos are necessary to prevent planetary catastrophe
  • Gallifrey’s ancient order must not yield to desperation
Character traits
Horror-struck authority Failed institutional deterrence Protocol-bound outrage
Follow Borusa's journey

Submissive fear masking residual bureaucratic instinct to disclose classified information

Kelner whimpers in terror as the knife’s edge bites into his throat, babbling Stor’s location when Leela commands him to reveal it under pain of death. His institutional habits briefly override personal fear until the knife’s relentless persuasion refocuses his allegiance.

Goals in this moment
  • Survive the immediate threat to his person
  • Restore institutional order by conveying mission-critical intelligence
Active beliefs
  • The Panopticon is the seat of ultimate authority
  • Revealing Stor’s position may mitigate escalation
Character traits
Institutional pragmatist Fear-driven compliance Procedural reflexes overriding personal conviction
Follow Kelner's journey
Rodan
secondary

Confused bewilderment tempered by objective curiosity now overshadowed by dread

Rodan witnesses the Demat gun’s construction and its horrifying activation, stunned into silence by both the weapon’s audacity and its actuality. Her procedural mind momentarily fractures under the spectacle, as the Doctor’s gambit upends her expectations.

Goals in this moment
  • Understand the Demat gun’s mechanisms before paralysis sets in
  • Delay or prevent its deployment if possible
Active beliefs
  • Reliance on technical precision prevents catastrophic miscalculation
  • Authority structures must vet radical innovations
Character traits
Stunned revelation Technical confusion Detachment shattered
Follow Rodan's journey

Apprehensive surprise followed by total non-existence

A lone Sontaran soldier positioned to ambush the Doctor vanishes instantly under the Demat gun’s discharge, leaving scorch marks on the workshop floor. His sudden absence documents the weapon’s lethal efficacy without further narrative traction.

Goals in this moment
  • Fulfill silent orders to eliminate the Doctor
  • Serve as a grim illustration of weapon lethality
Active beliefs
  • Absolute obedience ensures survival within the Sontaran hierarchy
  • The Doctor is the definitive target to neutralize
Character traits
Expendable presence Sudden annihilation Spectacle of consequence
Follow Sontaran Soldier's journey

Objects Involved

Significant items in this scene

3
Leela's Knife

Leela’s knife transitions from a tool of intimidation to a point of leverage when she presses its sharpened edge against Kelner’s throat, demanding he reveal Stor’s location. The blade’s worn steel and leather grip reflect neither polish nor symbol, but its authority derives entirely from her unyielding will and the immediate threat of violence it embodies.

Before: Secured in Leela’s belt, its scabbard hidden under …
After: Clutched tightly in Leela’s hand, its edge now …
Before: Secured in Leela’s belt, its scabbard hidden under her traveling cloak, ready for close-quarters emergencies
After: Clutched tightly in Leela’s hand, its edge now bearing faint smears of Kelner’s sweat, no longer sheathed but still poised
Rassilon's Great Key

The Doctor inserts the Great Key into the Demat gun’s chamber, energizing its destructive circuits and unleashing a light-speed vaporization that annihilates the Sontaran soldier. The Key’s stored temporal resonance flares briefly before its latent power is consumed, leaving the weapon’s core glowing and the artifact momentarily inert in its slot.

Before: Stored safely within a sealed Gallifreyan vault, inert …
After: Temporarily drained of bioluminescent pulses, its energy transferred …
Before: Stored safely within a sealed Gallifreyan vault, inert and hidden from Sontaran scanner sweeps
After: Temporarily drained of bioluminescent pulses, its energy transferred into the Demat gun’s reservoir, causing localized temporal disruption
Demat Gun

The Demat gun—an assembly of salvaged parts topped with an arrowhead muzzle and three humming cylinders—comes alive when the Great Key is inserted, emitting a low hum as its chambers light up violently violet. The Doctor uses it without hesitation, discharging a focused beam that obliterates a Sontaran soldier. The weapon’s recoil leaves its surface scorched and the air inside the workshop reeking of ozone and burnt metal.

Before: Recently assembled on the workshop bench, inert and …
After: Hot to the touch and emitted a visible …
Before: Recently assembled on the workshop bench, inert and awaiting the insertion of the Great Key for activation
After: Hot to the touch and emitted a visible corona of unstable energy, now visibly drained by the discharge but still functional for imminent use

Location Details

Places and their significance in this event

2
Service Corridor

The service corridor becomes the Doctor’s funnel of pursuit as he carries the Demat gun in hot pursuit of Stor, the narrow passage compressing his stride and the weapon’s discharged energy into a ritualized chase sequence. Dim emergency lighting flickers along the silver-grey walls where Sontaran boots have scuffed institutional grey, echoing with the Doctor’s decisive footfalls and the distant clamor of the Panopticon’s approaching pulse.

Atmosphere Oppressively linear, charged with the inevitability of confrontation and the resonance of temporal destabilization
Function Conduit for a thrust toward the decisive confrontation in the Panopticon
Symbolism Embodies the Doctor’s relentless momentum toward dismantling the occupation at its symbolic heart
Access Controlled access, monitored by systems the Doctor has begun to subvert
Emergency strips flickering where Sontaran armor has struck the walls Narrow geometry funneling footfalls and intent toward the sealed exit
TARDIS Workshop

The TARDIS workshop provides the arena where the Demat gun is assembled and unleashed, its clinical hum of tools and spare parts muffling for a moment as the Great Key’s resonance peaks. The compact space amplifies every flash and report of the discharge, magnifying the shockwave through nearby shelving and scattering schematics across the workbench. Its industrial stench of ozone and metal underscores the brutality of Pan-time weaponry assembled within its walls.

Atmosphere Intense, charged with metallic dread and the sharp tang of impending doom
Function Armory and laboratory where devastating power is forged and deployed
Symbolism Represents the Doctor’s inversion of Gallifreyan sanctity into ad-hoc salvation, a rebel forge beneath the …
Access Authorized personnel only, theoretically secret from external observation
Fluorescent strips casting clinical glow over scattered components Ozone and burnt-metal aroma following the Demat gun’s discharge

Organizations Involved

Institutional presence and influence

2
Sontaran Empire

The Sontaran Empire’s presence is felt through a single expendable trooper poised to ambush the Doctor, whose annihilation by the Demat gun demonstrates the weapon’s lethal efficacy. Though Stor’s wider forces are not physically present, their mission—to capture the Great Key and erase Gallifrey—crystallizes in the trooper’s vaporization and the Doctor’s subsequent pursuit toward the Panopticon.

Representation Through isolated shock troops operating under direct orders to neutralize the Doctor
Power Dynamics Vulnerable to superior weaponry and tactical improvisation, yet dogged by fanatical devotion to mission completion
Secure the Great Key for systemic dominion over Gallifrey Eliminate the Doctor to neutralize the primary obstacle to invasion success Precision strikes and technological infiltration within the TARDIS Fear-driven compliance among stationed troops and occupied personnel
Time Lords

Gallifrey’s Time Lord oligarchy is represented by Borusa’s frantic veto and Kelner’s immediate surrender under duress, showcasing the crumbling authority of formal institutions under desperate improvisation. The Doctor’s wielding of the Demat gun within a Gallifreyan stronghold embodies the collapse of protocol and the ascendancy of radical pragmatism, as institutional symbols like the Panopticon become contested battlegrounds.

Representation Through senior figures—Borusa and Kelner—enforcing protocol or collapsing under external pressure
Power Dynamics Time Lord authority is contested and subverted, forcing open collusion with the Doctor’s dangerous gambits
Impact The event exposes Time Lord institutions as brittle under existential threat, accelerating the erosion of …
Internal Dynamics Rifts between traditionalists like Borusa and institutional pragmatists like Kelner widen under coercion
Preserve Gallifrey’s technological and moral purity through veto and suppression Stabilize institutional control by disarming unauthorized weaponry Survive Sontaran occupation through any viable means Institutional veto over scientific and military deployment Fear and coercion when formal authority fails

Narrative Connections

How this event relates to others in the story

What led here 4

"The Doctor’s secret preparation with the Demat gun in the workshop relies on the key being secured via Rodan’s hypnosis (beat_7a28147ff7175e37), leading to him revealing the Demat gun and its power (beat_af19da6d969b26ff)."

Doctor hypnotizes Rodan to secure the key
S15E26 · The Invasion of Time Part …

"The Doctor’s secret preparation with the Demat gun in the workshop relies on the key being secured via Rodan’s hypnosis (beat_7a28147ff7175e37), leading to him revealing the Demat gun and its power (beat_af19da6d969b26ff)."

Doctor and team exit mission execution confirmed
S15E26 · The Invasion of Time Part …

"The unveiling of the Demat gun as a weapon of ultimate destruction (beat_af19da6d969b26ff) escalates the stakes and enables the Doctor to eliminate a Sontaran and prepare for the final confrontation with Stor (beat_54cbc111e93316e0)."

Doctor unveils Demat gun and asserts command
S15E26 · The Invasion of Time Part …

"The unveiling of the Demat gun as a weapon of ultimate destruction (beat_af19da6d969b26ff) escalates the stakes and enables the Doctor to eliminate a Sontaran and prepare for the final confrontation with Stor (beat_54cbc111e93316e0)."

Doctor arms Demat gun against Sontarans
S15E26 · The Invasion of Time Part …
What this causes 4

"The Doctor’s successful use of the Demat gun to eliminate a Sontaran (beat_54cbc111e93316e0) is methodologically extended to his confrontation with Stor in the Panopticon (beat_3520f6c47188f10c), where he uses the same weapon."

Stor meets his end at the Panopticon dais
S15E26 · The Invasion of Time Part …

"The Doctor’s successful use of the Demat gun to eliminate a Sontaran (beat_54cbc111e93316e0) is methodologically extended to his confrontation with Stor in the Panopticon (beat_3520f6c47188f10c), where he uses the same weapon."

Doctor eliminates Stor with Demat gun
S15E26 · The Invasion of Time Part …

"The unveiling of the Demat gun as a weapon of ultimate destruction (beat_af19da6d969b26ff) escalates the stakes and enables the Doctor to eliminate a Sontaran and prepare for the final confrontation with Stor (beat_54cbc111e93316e0)."

Doctor unveils Demat gun and asserts command
S15E26 · The Invasion of Time Part …

"The unveiling of the Demat gun as a weapon of ultimate destruction (beat_af19da6d969b26ff) escalates the stakes and enables the Doctor to eliminate a Sontaran and prepare for the final confrontation with Stor (beat_54cbc111e93316e0)."

Doctor arms Demat gun against Sontarans
S15E26 · The Invasion of Time Part …

Themes This Exemplifies

Thematic resonance and meaning